Feed-gage for printing-presses



(N0 Model L. OONANT;

FEED GAGE FOR PRINTING PRESSBS. No. 399,384. Patented Mar. 12,1889.

{NITE STATES PATENT OFFICE.

l/UTIIER COXANT, OF OAK PARK, ILLINOIS.

FEED-GAGE. FOR PRlNTlNG-PRESSES.

SPECIFICATION forming part of Letters Patent No. 399,384, dated March12, 1889.

Application filed January 6, 1888.

The purpose of my invention is to perfect a j device for use in gagingthe position of sheets or blanks to be printed, in which less difficultyand time are required to fix its position than tion of the insertion.

with gages now in use, and in which the necessity of removal of the gagefrom one place to j as with the former examples, to enter the sheetanother. resulting in numerous pimctures in the tympan-sheet and therapid destruction of the latter, is obviated. It is also designed tosimplify and cheapen such implement to the minimum, so Far as consistentwith eii'ectiveness.

Serial No. 260,019. (No model.)

The desired position may be thus fixed, and then, by pressure inwardlyonthe bars I) and b and the release of the latter, the reaction of thebars causes the points to enter the sheet and thereby secure the gage inposition.

In Fig. 2 the same elements are shown, with the exception of theomission of the central bar.

In Fig. an adjustable feature is shown that will admit of furtheradjustment after the body of the implement has been fixed in itsposition. In this construction a metal plate or bar, a, is bent to formthe two flexible bars 6 and b, with sharpened extremities, adapted,

laterally after the necessary flcxion. Two guide-bars, c and c, areshown in this example. A connecting portion of the two bars is providedhaving a vertical bend, e, which 5 is screw-threaded to adapt it tosuitably en- In the accompanying drawings, making a part of thisspeeiticatiolnt-he several figures in perspective illustrate apreferable cmistruction and modifications thereof.

gage with a scrcw j. The latter also has a bearing in the part (1, bywhich its longitudinal position is maintained. Thehead is designed tofurnish the stop portion, the screw In Figure l I have shown a gageillustrating what I consider the pr(. i?erable construction. Figs. 2, 3,4-, and show \"aria.iions in form, all, however, embodying a feature inthe being inclined in its position, so that the head presses upon thetynnmn-shcet when the gage is in position for use.

In Fig. I a. curved wire, u. of suitable flexibility, is shown, atthcextremities oif which are termed vertically; curved 1 )ortions '11, withDointed lateral terminals 1'. TlItClliYt u serves as the stop pm'tion ofthe device, and the points bars, I) and I), and a central guide-bar, (aThe bars I), h, and c are noierably, as a matter of economy, cut, in.common with head a,t'ro n a single piece of sheet-brass, and the twobars I) and b then changed in position bybending their shanks orconnections with the head, so that their breadth is in a plane at rightangles to that of the head. Thus lateral flexibility of said bars isprovided. The ends ('7 and (l of the bars I) and l) are lmntlaterall yto a right angle with the lair-length and are suitably sharpened attheir extremities, with a downward tendency of the points. so as toreadily puncture the t ym pan-sheet. The central bar,

is also so sharpened at its extremity that it will easily puncture thesheet.

Thelength of bar 1 serve in securing the gage to the sheet.

Another form 01 gageis shown in Fig. in which a straight coil of wireisprovided with pointed terminals 1, corresponding in direction to thelength of the coil. In this construction it is designed that the coilshall be conun'cssed and the reaction force the points into the sheet,thus securing the device. One end. oi the coil in this example serves asthe stop. The laterally-pointed extremities of the flexible bars of theseveral examples I have shown directed outwardly, which is perhapsprci'erable as the more convenient arrangement, yet they may be directedinwardly and the bars spread properly to engage the points.

In the several illustrations an element common to each is shown. whichconstitutes one of the chief t'caturesoi' my improvcmcnt. This featureis the flexible character of the bars or true of Figs. 2 and 3, with theexception that in the first the central bar is absent and in the latterthere are two. Compression or fiexion and release also serve in theexamples, as shown in Figsi and 5,to insert the fixingpoints and securethe gage in position.

Haring thus described my invention, what I claim, and desire to protectby Letters Patent, 1s

1. A gage for printirig-presses, comprising a head or gage and integralelastic portions provided integrally with en gagin g-points adapted tobe inserted in the tyinpan-sheet to fix the position of the gage by thereaction of said elastic portions, substantially as described. 2. In agage for printing-presses, the combination of the head or gage portiona, flexible y bars I) and b, and laterally-extending points l connected.with said bars, substantially as set 1 forth.

3. In a gage for printing-presses, the combination of the head or stopa, side bars, 1') and b, laterally-extending points (I and d, and fcentral guide-bar, c, substantially as set forth.

4. In a gage for printing-presses, the combination, with the gage-bodyhaving flexible side bars armed with engaging-points, of a guidebar, 0,adapted to pun eture the tympan-sheet, l and so serve as a guide, thatthe gage maybe 1 secured with relation to the tympan-sheet at anydesired point within the length of. said guide-bar, substantially asdescribed.

l LUTHER CONANT.

lYitnesses:

JOSEPH RIDGE, E. L. HUBER.

